So you've been looking at this apartment for so long that you let it slip through your fingers, yes? I love this question. As it so happens time, tide and real estate wait for no man. If I were the owner, it would take a cash offer, no, a hugh cash offer with no financial contingency to consider being bought out. For all you know, this might be the current owners dream home in exactly the location they wanted. That is something you can barely put a price on. Send them some mail, see if you can start a conversation and see where it leads.